GB/T 9124.1  法兰 DN200-PN10 PL/W-B RF Ⅱ S=5 80H80S S=F-150 RF0

DN200-PN10 PL/W-B RF Ⅱ S=5 80H80S S=F-150 RF0

PL 50(B)-10 RFRF6 RF b=4-0.600-7000(B)30

WN80(B)-16 RF20615

JWN100*150-16RFF

lwn20-300 rf b=

PL 65(B)-16 RF C=180 rf0H8-2

B WN1000-150 RF73gRF5I 100FRJ00SCH�╟ WN50-150 RF

WN 300(b)-16RF10 RFRF4116/R